77741080

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6131}}^1$

素因数の和:6459

約数の個数: 32

約数和(自身を含む): 175497840

約数和(自身を除く): 97756760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6131, 6340, 12262, 12680, 24524, 30655, 49048, 61310, 122620, 245240, 1943527, 3887054, 7774108, 9717635, 15548216, 19435270, 38870540, 77741080]

約数ペア:

[(1, 77741080), (2, 38870540), (4, 19435270), (5, 15548216), (8, 9717635), (10, 7774108), (20, 3887054), (40, 1943527), (317, 245240), (634, 122620), (1268, 61310), (1585, 49048), (2536, 30655), (3170, 24524), (6131, 12680), (6340, 12262)]